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Osnabrück 2002 – scientific programme

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MO: Molekülphysik

MO 9: Femtosekundenspektroskopie III: Pulskontrolle (gemeinsam mit FV Q)

MO 9.2: Talk

Wednesday, March 6, 2002, 14:15–14:30, HS 15/E07

High Resolution Indirect Pulse Shaping by Parametric Transfer — •Elmar Schreiber, Howe Siang Tan, and Warren S. Warren — Center for Ultrafast Laser Applications, Princeton University, Princeton, NJ 08544 (USA)

High resolution pulse shaping capabilities exist for wavelengths ranging from the visible to the near-infrared. There is much interest in generating mid-infrared (MIR) shaped pulses, useful for various applications such as extending ultrafast coherent / optimal control studies to vibrational systems of chemical and biological molecules. We present the transfer of the phase and amplitude profile of a shaped pulse in the visible to a pulse in the near-infrared via an optical parametric amplification(OPA) process [Tan et al., Optics Letters, in press]. Complex shaped pulses, such as multiple pulse trains and pulses with high order phase chirp are produced at 1.2 µm. Theoretical conditions necessary for high fidelity parametric shape transfer will be discussed. Similar schemes can be implemented for other OPA systems at near-infrared wavelengths to generate high resolution shaped pulses in the infrared.

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